Circus clock



FIG. 1 is a perspective view showing the front, top and left sides of the circus clock, embodying my new design;

FIG. 2 is a front elevational view thereof, the dotted line depiction of clock numerals being for illustrative purposes only and forming no part of the claimed design;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a circus clock, as shown and described. 